To write a good English essay in junior high school, follow these steps:

1. Choose a topic: Select a subject that interests you and is within your knowledge range. It could be about nature, technology, personal experiences, or anything else.

3. Write the introduction: Begin with a catchy sentence that grabs the reader's attention. Present your thesis statement, which is the main point of your essay.

4. Develop the body paragraphs: Each paragraph should focus on one supporting point. Use facts, examples, or personal experiences to back up your points. Make sure to connect each paragraph to the previous one using transition sentences.

6. Proofread and edit: Check for spelling, grammar, and punctuation errors. Make sure your essay flows well and is easy to understand.

Here's an example of a short essay:

Title: The Importance of Reading